肠梗阻患者X线检查显示气液平面的最早时间是()
A.腹痛时
B.梗阻后3~6小时
C.发现明显腹胀后
D.发生第一次呕吐后
E.发病后12小时
参考答案:B
肱骨外上髁炎的病理变化不包括()。
A.肌纤维在外上髁部分撕脱
B.肱骨外上髁滑膜炎
C.肘外侧神经炎
D.桡骨环状韧带变性
E.肱桡滑膜囊炎
We'll have a sports meet for the next three days.________, we won't have lessons for three days. [ ]
A. In other words
B. On the other hand
C. For one thing
D. As a matter of fact